optimize delete/delete[] operators by removing unneeded branch

Remove redundant not NULL check already done in free().

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>

diff --git a/libstdc++/src/new.cpp b/libstdc++/src/new.cpp
index 8189159..a9c92d4 100644 (file)
--- a/libstdc++/src/new.cpp
+++ b/libstdc++/src/new.cpp
@@ -23,16 +23,12 @@ void* operator new[](std::size_t size)
 
 void  operator delete(void* ptr)
 {
-    if (ptr) {
-        free(ptr);
-    }
+    free(ptr);
 }
 
 void  operator delete[](void* ptr)
 {
-    if (ptr) {
-        free(ptr);
-    }
+    free(ptr);
 }
 
 void* operator new(std::size_t size, const std::nothrow_t&)
@@ -47,16 +43,12 @@ void* operator new[](std::size_t size, const std::nothrow_t&)
 
 void  operator delete(void* ptr, const std::nothrow_t&)
 {
-    if (ptr) {
-        free(ptr);
-    }
+    free(ptr);
 }
 
 void  operator delete[](void* ptr, const std::nothrow_t&)
 {
-    if (ptr) {
-        free(ptr);
-    }
+    free(ptr);
 }